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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2023
Accounting Policies [Abstract] |
Goodwill by reporting segment | The Company’s goodwill balances by reporting segment were as follows:
| September 30,
| 2023 |  | 2022
| (In millions)
Northwest | $ | 2.2 |  |  | $ | 2.2 |
Southwest | — |  |  | — |
South Central | 15.9 |  |  | 15.9 |
Southeast | 6.0 |  |  | 6.0 |
East | 60.5 |  |  | 60.5 |
North | 49.7 |  |  | 49.7 |
Forestar | 29.2 |  |  | 29.2 |
Total goodwill | $ | 163.5 |  |  | $ | 163.5 |

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